Definition:Hyperbolic Function/Historical Note
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Historical Note on Hyperbolic Function
The hyperbolic functions are so called because of their ability to be used to generate the parametric form of the equation of the hyperbola:
- $x = a \cosh \theta, y = b \sinh \theta$
Sources
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): hyperbolic function